INFICON Sensistor ISH2000 HySpeed Hydrogen Leak Detector - Manual (Page 33)

Hydrogen leak detector Sensistor ISH2000 HySpeed - Operating Instructions
OP-Sensistor ISH2000 HySpeed-EN-201203 33
EN
Fig 8-3. Status signals after power on.
When detecting a gas signal
Fig 8-4. Status signals when detecting a gas signal.
8.14 Printer port
The Sensistor ISH2000 HySpeed is equipped with a serial printer port. This is the 9-
pin D-type connector. It is used for printer connection, RS232 commands and APC
driver installation.
Connector pin configuration
The printer port is a standard 9-pin male D-sub. The connecting cable is a standard
9-pin file transfer cable (Null Modem Cable). For the pin configuration refer to Table
8-4.
Table 8-4. Pin configuration of the printer port.
Power on Power off Warming up Detection or analysis
mode. No gas detected.
DET_SIGNAL
LEAK_OUT
DET_WAIT
DET_ON
DET_ERROR
Gas signal
Detector signal level
0 PPM
DET_SIGNAL
LEAK_OUT
PURGE_LEVEL
Trigger (APC)
Reject level
Purge level
NOTICE!
Always switch power off before disconnecting or
connecting any cable.
Pin Signal Comments
1 (DCD) Not used
2 RD Received data
3 TD Transmitted data
4 (DTR) Not used
5 SG Signal ground